Quote:
Originally Posted by Mr70
Based on what I've seen in the auction,I believe you have the correct buildsheet and someone changed the rearend housing & added the correct 4.10 gear.Plus the way the seller phrased it,screams the same,asing "A" & not "The".
...A 12 bolt posi rear (4.10 gears) is still in the car and documented on the build sheet to be correct.
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The seller was a Mopar guy and really had very limited GM knowledge so not sure his word phrasing was on purpose, but could had been. I know that when I scraped off years of gunk to find the axle coding it had been a long time since anyone was looking for that code. Seller told me he counted the wheel rotations to the driveshaft rotations to assume a 4.10. We are going to pull the rear end cover and see if the gears are date coded.
Will keep digging and see what this old crusty thing turns out to be....